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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 192 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0461: Fuel Level Sensor Circuit Range/Performance >> DTC Confirmation Test (Using CONSULT-II)
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DTC Confirmation Test (Using CONSULT-II)

WARNING: This page is about a different car, the 2003 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Use the following test to check overall function of fuel level sensor circuit. During this test, 1st trip DTC may not be confirmed.
  1. Release fuel system pressure. See FUEL PRESSURE RELEASE under FUEL SYSTEM in BASIC DIAGNOSTIC PROCEDURES article. Remove rear seat cushion. Remove fuel feed hose from fuel level sensor unit. See Fig 1 .
    Fig 1: Locating Fuel Feed hose
    G00265203Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Connect a fuel hose where fuel feed hose was removed. Place other end of hose into a suitable fuel container. Turn ignition off and wait at least 10 seconds. Turn ignition on. Select FUEL LEVEL SE in DATA MONITOR mode with CONSULT-II. Check FUEL LEVEL SE output voltage and note it.
  3. Select FUEL PUMP in ACTIVE TEST mode with CONSULT-II. Press ON and drain about 7.93 Gals. (30.0 L) of fuel, then press OFF. Fill tank with drained fuel.
  4. Check FUEL LEVEL SE output voltage. Voltage should change more than 0.03 volt during draining and refilling. If voltage is not as specified, go to DIAGNOSTIC PROCEDURE  . If voltage is as specified, system is okay at this time.
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